Ok, here are my questions:
1. Does the character need the portal extra for teleportation and dimensional travel if sorcery has the affects others extra?
2. If the character needs the portal extras, the spell only works at 2/3rd's the rank of sorcery, right? And, if the character takes the portal extras, can the character use teleportation at rank 10 for personal travel without fatigue?
3. How do the flaws for individual spells affect the total cost for sorcery?